#!/bin/bash
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
#      http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.

bind_port() {
    echo "Binding VIF_TYPE_TAP Neutron port $1 / veth $2..."
    #
    # No real code is needed here, because VIF_TYPE_TAP means that the
    # host-side TAP or veth device should be left unbridged.  The core Kuryr
    # code has already created the Linux TAP/veth device on the host side, so
    # there is nothing further for this script to do.
}

unbind_port() {
    echo "Unbinding VIF_TYPE_TAP Neutron port $1..."
    #
    # As with bind_port(), there is actually nothing to do here.  The core
    # Kuryr code will delete the Linux TAP/veth device on the host side after
    # this script returns, and for VIF_TYPE_TAP we don't need to do anything to
    # 'unbind' before that happens.
}

case $1 in
    "bind")
        shift
        bind_port "$@"
        exit 0
        ;;
    "unbind")
        shift
        unbind_port "$@"
        exit 0
        ;;
    *)
        echo >&2 "$0: Invalid command $1."
        exit 1
        ;;
esac